Publication Date

5-2012

Abstract

For drinking water with low to moderate levels of iron (Fe) and manganese (Mn) (at or somewhat above the SMCL), sequestration is a less expensive treatment alternative compared to metal oxidation and removal. Sequestration complexes Fe and Mn to prevent precipitation and subsequent water quality problems (turbidity, color, staining, etc.). Despite the widespread use of sequestering agents, research has not resulted in a successful method to directly assess the complexation of Mn and Fe. This study was conducted to develop a method for assessing sequestering agent effectiveness and to assess the effectiveness of several phosphate based sequestering agents for several groundwater sources with varying iron and manganese concentrations.

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